Physical ArithmeticMacmillan, 1885 - 357 páginas |
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Página 272
... inductive capacity k , the capacity per unit of length is k 2 a log ¿ Q per L long = W per Q. ART . 224. - Unit of Resistance ; Ohm . When a steady current of electricity flows round a circuit , the amount of 272 PHYSICAL ARITHMETIC .
... inductive capacity k , the capacity per unit of length is k 2 a log ¿ Q per L long = W per Q. ART . 224. - Unit of Resistance ; Ohm . When a steady current of electricity flows round a circuit , the amount of 272 PHYSICAL ARITHMETIC .
Página 273
... ohm ; so that 1 ohm = volt per ampere , = 109 C.G.S. unit of resistance . = ART . 225. - The Standard Ohm . The British Association after defining the ohm appointed a committee to construct a standard which should realize the definition ...
... ohm ; so that 1 ohm = volt per ampere , = 109 C.G.S. unit of resistance . = ART . 225. - The Standard Ohm . The British Association after defining the ohm appointed a committee to construct a standard which should realize the definition ...
Página 274
... ohm x ( ampere ) 2 . The relation of the watt to the horse - power is 746 watts horse - power . = EXAMPLES . Ex . 1. Find the multiplier for changing the electrostatic unit of potential from the centimetre , gramme , and second , to the ...
... ohm x ( ampere ) 2 . The relation of the watt to the horse - power is 746 watts horse - power . = EXAMPLES . Ex . 1. Find the multiplier for changing the electrostatic unit of potential from the centimetre , gramme , and second , to the ...
Página 276
... ohms . What is the strength of the current taking the internal resistance of the cell at 25 ohm ? 11. Calculate , in terms of the watt , the activity of the above circuit . 12. When the poles of a battery were connected with the ...
... ohms . What is the strength of the current taking the internal resistance of the cell at 25 ohm ? 11. Calculate , in terms of the watt , the activity of the above circuit . 12. When the poles of a battery were connected with the ...
Página 278
... ohm is now defined in terms of a column of mercury ( Art . 225 ) . Observe - The word " specific " is used throughout in the sense which it has in the term " specific gravity . " SPECIFIC ELECTRIC CONDUCTIVITY . - k L length per S ...
... ohm is now defined in terms of a column of mercury ( Art . 225 ) . Observe - The word " specific " is used throughout in the sense which it has in the term " specific gravity . " SPECIFIC ELECTRIC CONDUCTIVITY . - k L length per S ...
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Términos y frases comunes
acid acres amount ampere angle axis C.G.S. system C.G.S. unit Calculate cent Centigrade centimetres College constant copper cross-section Crown 8vo cubic centimetres cubic feet cubic foot cubic inches deduce degrees denote density diameter distance dyne Edition electricity electromotive force ELEMENTARY equal equivalent EXAMPLES EXERCISE Extra fcap Fahr Fahrenheit Fcap feet long feet per sec feet per second foot-pounds force francs gallon grains grammes Hence horizontal horse-power hydrogen increment intensity of gravity interval kilogramme liquid litres magnetic mercury metre miles an hour miles per hour millimetre minute ohms oxygen pence plane pound poundals pressure Professor quantity radian radius resistance second per second SECTION shillings silver solid specific gravity specific heat speed square inch standard substance Suppose surface temperature thick TREATISE velocity vibrations volume water by deg weight wire yards
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